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AGGREGATE & PIPE
Reinforced Concrete Arch Pipe
Reinforced concrete arch pipe is ideal for various specialized conditions, such as space constraints, limited fall, and insufficient depth for the circular pipe. Concrete arch pipe provides exceptional strength and a hydraulically efficient Manning’s “n” of 0.012. Concrete arch pipe offers a superior alternative to metal arch and multiple lines of smaller circular pipe.
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Natural stream bottoms are desired.
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Environmentally sensitive lands must be spanned.
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The span is larger than can be accommodated with a standard box culvert.
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More economical vs. cast-in-place.
Section Title
Applications
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Groundwater recharge systems
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Highway culverts
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Jacked or tunneled installations
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Railroad culverts
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Short-span highway bridges
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Storm drains
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to replace existing open channels or ditches, and enable land to be used more productively
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Underground stormwater retention structures
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Utility tunnels
Specifications
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ASTM C506 / AASHTO M259 – reinforced concrete arch culvert, storm drain and sewer pipe
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ASTM C990 – preformed flexible joint sealants
Joints
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Reinforced concrete arch pipe is produced with tongue and groove joints for sealing with mastic joint compound, preformed flexible bitumen or butyl rubber gaskets, mortar or external joint wraps.
